Re: WEIRD CRASH?!?! - Mailing list pgsql-performance

From Josh Berkus
Subject Re: WEIRD CRASH?!?!
Date
Msg-id 200301241603.42263.josh@agliodbs.com
Whole thread Raw
In response to WEIRD CRASH?!?!  (Noah Silverman <noah@allresearch.com>)
Responses Re: WEIRD CRASH?!?!
Re: WEIRD CRASH?!?!
List pgsql-performance
Noah,

> I think my server crashed and then restarted itself.  Does anybody know
> what all this means:
>
> 2003-01-24 18:28:06 PANIC:  link from
> /RAID/pgsql/pg_xlog/00000009000000BC to
> /RAID/pgsql/pg_xlog/00000009000000C4 (initialization of log file 9,
> segment 196) failed: File exists
> 2003-01-24 18:28:06 LOG:  server process (pid 1574) was terminated by
> signal 6
> 2003-01-24 18:28:06 LOG:  terminating any other active server processes
> 2003-01-24 18:28:06 WARNING:  Message from PostgreSQL backend:
>          The Postmaster has informed me that some other backend
>          died abnormally and possibly corrupted shared memory.
>          I have rolled back the current transaction and am
>          going to terminate your database system connection and exit.
>          Please reconnect to the database system and repeat your query.

This means that somebody KILL -9'd a postgres process or the postmaster, and
Postgres restarted in order to clear the shared buffers.   If the database
started up again, you are fine.

--
-Josh Berkus
 Aglio Database Solutions
 San Francisco


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